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2CCS861001R1805 ABB S801S-UCB80 High Performance MCB 50kA 1P Type B 80A
ABB S801S-UCB80 high-performance single-pole Type B miniature circuit breaker with an 80 A rated current, 250 V DC rated operational voltage and 50 kA short-circuit breaking capacity for demanding DC circuit protection.
£108.19
Why Choose the ABB S801S-UCB80 High Performance MCB?
The ABB S801S-UCB80 is a high-performance single-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding direct current electrical installations. Part of the ABB S800S-UC high-performance circuit breaker range, it combines an 80 A rated current, UC-B / Type B tripping characteristic and a high 50 kA short-circuit breaking capacity.
The S801S-UCB80 uses a thermal release mechanism for overload protection and an electromechanical release mechanism for rapid short-circuit protection. Its current-limiting construction and fast arc extinction help reduce electrical and thermal stresses during fault conditions, providing dependable protection for cables, conductors and connected equipment.
With a rated current of 80 A, a rated operational voltage of 250 V DC and a rated ultimate short-circuit breaking capacity of 50 kA at 250 V DC, the S801S-UCB80 is engineered for industrial DC installations where high prospective fault currents may occur. Its compact single-pole DIN rail format and interchangeable cage terminal support straightforward integration into professional distribution and control equipment.
Key Advantages
- High-performance single-pole miniature circuit breaker designed for DC applications.
- 80 A rated current for demanding industrial circuits.
- UC-B / Type B tripping characteristic for reliable circuit protection.
- 50 kA rated ultimate short-circuit breaking capacity at 250 V DC.
- Thermal overload and electromechanical short-circuit protection mechanisms.
- Rapid arc extinction and current-limiting operation help reduce fault stresses on the installation.
Key Features
- ABB S800S-UC high-performance MCB series.
- 1-pole configuration.
- 80 A rated current.
- UC-B / Type B tripping characteristic.
- 250 V DC rated operational voltage.
- 50 kA rated ultimate short-circuit breaking capacity at 250 V DC.
- 1500 V rated insulation voltage.
- 8 kV rated impulse withstand voltage.
- Interchangeable cage terminal for secure conductor connection.
- Compact DIN rail mounted design for industrial distribution and control equipment.
High-Performance DC Circuit Protection
Miniature circuit breakers such as the ABB S801S-UCB80 automatically disconnect a circuit when excessive current occurs. The thermal tripping mechanism responds to sustained overload conditions, while the electromechanical mechanism provides rapid operation during short circuits, helping protect cables, equipment and electrical installations against damaging fault currents.
The ABB S800S-UC range is specifically designed for direct current applications requiring high breaking capacity. The S801S-UCB80 combines an 80 A current rating with a 50 kA breaking capacity at 250 V DC, while its rapid arc extinction and current-limiting performance make it suitable for demanding commercial and industrial DC distribution systems.
Typical Applications
- Industrial DC electrical distribution systems.
- Commercial and industrial control panels.
- DC power supply and distribution circuits.
- Machinery and automation DC circuits.
- TN and IT systems requiring high breaking capacity.
- Installations requiring selectivity or back-up protection with other circuit breakers.
Technical Specifications
| Series | S800S-UC |
|---|---|
| Product group | S800 / S800P / S750 MCB |
| Order code | 2CCS861001R1805 |
| GTIN / EAN | 7612271202934 |
| Product type | High-performance miniature circuit breaker (MCB) |
| Application | Direct current circuit protection |
| Number of poles | 1 |
| Number of protected poles | 1 |
| Rated current | 80 A |
| Tripping characteristic | UC-B / Type B |
| Rated operational voltage | 250 V DC |
| Rated ultimate short-circuit breaking capacity (Icu) | 50 kA at 250 V DC |
| Rated insulation voltage | 1500 V |
| Rated impulse withstand voltage | 8 kV |
| Input voltage type | DC |
| Power loss | 6.4 W |
| Protection rating | IP20 |
| Pollution degree | 2 |
| Operating temperature | -25 to +60 °C |
| Terminal type | Interchangeable cage terminal |
| Conductor capacity, solid | up to 70 mm² |
| Conductor capacity, stranded | up to 50 mm² |
| Mounting type | DIN rail |
| Module width | 1.5 modules |
| Installation depth | 82.5 mm |
| Weight | approx. 0.24 kg |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S801S-UCB80 used for?
The ABB S801S-UCB80 is a high-performance miniature circuit breaker designed to protect DC circuits against overloads and short circuits in demanding commercial and industrial installations.
What is the current rating of the ABB S801S-UCB80?
The S801S-UCB80 has a rated current of 80 A and uses ABB's UC-B / Type B tripping characteristic.
What is the breaking capacity of the S801S-UCB80?
The S801S-UCB80 has a rated ultimate short-circuit breaking capacity of 50 kA at 250 V DC.
Is the ABB S801S-UCB80 designed for DC applications?
Yes. The S801S-UCB80 is part of ABB's S800S-UC range for direct current circuit protection and has a rated operational voltage of 250 V DC.
Which standard does the ABB S801S-UCB80 comply with?
The S801S-UCB80 is designed in accordance with IEC/EN 60947-2 for low-voltage circuit breaker applications.
Trusted High-Performance Protection from ABB
ABB S800S-UC high-performance circuit breakers provide reliable overload and short-circuit protection for demanding DC installations, combining high breaking capacity, rapid arc extinction and compact modular construction.
